{"product_id":"renthal-154u-520-52grbk-52-tooth-rear-sprocket","title":"Renthal 154U-520-52GRBK 52-Tooth Rear Sprocket","description":"Renthal UltraLight Rear Chainwheels are CNC machined from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer.  A combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal's light weight all aluminum rear sprockets can be found on the rear wheels of many factory race team machines.\n\u003cp\u003eThe Renthal UltraLight Rear Chainwheel is a CNC-machined rear sprocket made from 7075 T6 aluminum. Its lightweight construction is designed to reduce rotating mass compared with a steel sprocket, while computer engineering and testing support precise fitment, concentricity, and load dispersion.\u003c\/p\u003e\u003cp\u003eThe sprocket features tooth profiling intended to provide efficient power transfer, along with a hardwearing surface treatment for durability. This black 520-chain rear sprocket has 52 teeth and is identified by manufacturer part number 154U-520-52GRBK and vendor part number 154U-520-52GRBK.\u003c\/p\u003e\u003cp\u003eFitment includes the 1984 and 1985 Honda CR250R, and the 1996 through 2003 Honda XR250R. Verify the year, model, chain size, tooth count, and sprocket configuration before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Renthal\u003c\/li\u003e\n\u003cli\u003eModel: UltraLight Rear Chainwheel\u003c\/li\u003e\n\u003cli\u003eSize: 520 chain size with 52 teeth\u003c\/li\u003e\n\u003cli\u003eMaterial: CNC-machined 7075 T6 aluminum\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eDesign: Grooved rear sprocket with tooth profiling for power transfer\u003c\/li\u003e\n\u003cli\u003eFitment: 1984-1985 Honda CR250R\u003c\/li\u003e\n\u003cli\u003eFitment: 1996-2003 Honda XR250R\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 154U-520-52GRBK\u003c\/li\u003e\n\u003cli\u003eVendor part number: 154U-520-52GRBK\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Unknown\u003cbr\u003e\nPart Type: powersports\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nCarb Acknowledgement Required: false\u003cbr\u003e\nRegular Stock: t\u003cbr\u003e\nUnits Per Sku: 1\u003cbr\u003e\nFitment:\u003cbr\u003e\n1984 Honda CR250R Base\u003cbr\u003e\n1985 Honda CR250R Base\u003cbr\u003e\n1986 Honda CR250R Base\u003cbr\u003e\n1987 Honda CR125R Base\u003cbr\u003e\n1987 Honda CR250R Base\u003cbr\u003e\n1988 Honda CR125R Base\u003cbr\u003e\n1988 Honda CR250R Base\u003cbr\u003e\n1988 Honda CR500R Base\u003cbr\u003e\n1989 Honda CR125R Base\u003cbr\u003e\n1989 Honda CR250R Base\u003cbr\u003e\n1989 Honda CR500R Base\u003cbr\u003e\n1990 Honda CR125R Base\u003cbr\u003e\n1990 Honda CR250R Base\u003cbr\u003e\n1990 Honda CR500R Base\u003cbr\u003e\n1991 Honda CR125R Base\u003cbr\u003e\n1991 Honda CR250R Base\u003cbr\u003e\n1991 Honda CR500R Base\u003cbr\u003e\n1992 Honda CR125R Base\u003cbr\u003e\n1992 Honda CR250R Base\u003cbr\u003e\n1992 Honda CR500R Base\u003cbr\u003e\n1993 Honda CR125R Base\u003cbr\u003e\n1993 Honda CR250R Base\u003cbr\u003e\n1993 Honda CR500R Base\u003cbr\u003e\n1994 Honda CR125R Base\u003cbr\u003e\n1994 Honda CR250R Base\u003cbr\u003e\n1994 Honda CR500R Base\u003cbr\u003e\n1995 Honda CR125R Base\u003cbr\u003e\n1995 Honda CR250R Base\u003cbr\u003e\n1995 Honda CR500R Base\u003cbr\u003e\n1996 Honda CR125R Base\u003cbr\u003e\n1996 Honda CR250R Base\u003cbr\u003e\n1996 Honda CR500R Base\u003cbr\u003e\n1996 Honda XR250R Base\u003cbr\u003e\n1996 Honda XR400R Base\u003cbr\u003e\n1997 Honda CR125R Base\u003cbr\u003e\n1997 Honda CR250R Base\u003cbr\u003e\n1997 Honda CR500R Base\u003cbr\u003e\n1997 Honda XR250R Base\u003cbr\u003e\n1997 Honda XR400R Base\u003cbr\u003e\n1998 Honda CR125R Base\u003cbr\u003e\n1998 Honda CR250R Base\u003cbr\u003e\n1998 Honda CR500R Base\u003cbr\u003e\n1998 Honda XR250R Base\u003cbr\u003e\n1998 Honda XR400R Base\u003cbr\u003e\n1999 Honda CR125R Base\u003cbr\u003e\n1999 Honda CR250R Base\u003cbr\u003e\n1999 Honda CR500R Base\u003cbr\u003e\n1999 Honda XR250R Base\u003cbr\u003e\n1999 Honda XR400R Base\u003cbr\u003e\n2000 Honda CR125R Base\u003cbr\u003e\n2000 Honda CR250R Base\u003cbr\u003e\n2000 Honda CR500R Base\u003cbr\u003e\n2000 Honda XR250R Base\u003cbr\u003e\n2000 Honda XR400R Base\u003cbr\u003e\n2000 Honda XR650R Base\u003cbr\u003e\n2001 Honda CR125R Base\u003cbr\u003e\n2001 Honda CR250R Base\u003cbr\u003e\n2001 Honda CR500R Base\u003cbr\u003e\n2001 Honda XR250R Base\u003cbr\u003e\n2001 Honda XR400R Base\u003cbr\u003e\n2001 Honda XR650R Base\u003cbr\u003e\n2002 Honda CR125R Base\u003cbr\u003e\n2002 Honda CR250R Base\u003cbr\u003e\n2002 Honda CRF450R Base\u003cbr\u003e\n2002 Honda XR250R Base\u003cbr\u003e\n2002 Honda XR400R Base\u003cbr\u003e\n2002 Honda XR650R Base\u003cbr\u003e\n2003 Honda CR125R Base\u003cbr\u003e\n2003 Honda CR250R Base\u003cbr\u003e\n2003 Honda CRF450R Base\u003cbr\u003e\n2003 Honda XR250R Base\u003cbr\u003e\n2003 Honda XR400R Base\u003cbr\u003e\n2003 Honda XR650R Base\u003cbr\u003e\n2004 Honda CR125R Base\u003cbr\u003e\n2004 Honda CR250R Base\u003cbr\u003e\n2004 Honda CRF250R Base\u003cbr\u003e\n2004 Honda CRF250X Base\u003cbr\u003e\n2004 Honda CRF450R Base\u003cbr\u003e\n2004 Honda XR250R Base\u003cbr\u003e\n2004 Honda XR400R Base\u003cbr\u003e\n2004 Honda XR650R Base\u003cbr\u003e\n2005 Honda CR125R Base\u003cbr\u003e\n2005 Honda CR250R Base\u003cbr\u003e\n2005 Honda CRF150F Base\u003cbr\u003e\n2005 Honda CRF230F Base\u003cbr\u003e\n2005 Honda CRF250R Base\u003cbr\u003e\n2005 Honda CRF250X Base\u003cbr\u003e\n2005 Honda CRF450R Base\u003cbr\u003e\n2005 Honda CRF450X Base\u003cbr\u003e\n2005 Honda XR650R Base\u003cbr\u003e\n2006 Honda CR125R Base\u003cbr\u003e\n2006 Honda CR250R Base\u003cbr\u003e\n2006 Honda CRF150F Base\u003cbr\u003e\n2006 Honda CRF230F Base\u003cbr\u003e\n2006 Honda CRF250R Base\u003cbr\u003e\n2006 Honda CRF250X Base\u003cbr\u003e\n2006 Honda CRF450R Base\u003cbr\u003e\n2006 Honda CRF450X Base\u003cbr\u003e\n2006 Honda XR650R Base\u003cbr\u003e\n2007 Honda CR125R Base\u003cbr\u003e\n2007 Honda CR250R Base\u003cbr\u003e\n2007 Honda CRF150F Base\u003cbr\u003e\n2007 Honda CRF230F Base\u003cbr\u003e\n2007 Honda CRF250R Base\u003cbr\u003e\n2007 Honda CRF250X Base\u003cbr\u003e\n2007 Honda CRF450R Base\u003cbr\u003e\n2007 Honda CRF450X Base\u003cbr\u003e\n2007 Honda XR650R Base\u003cbr\u003e\n2008 Honda CRF150F Base\u003cbr\u003e\n2008 Honda CRF230F Base\u003cbr\u003e\n2008 Honda CRF250R Base\u003cbr\u003e\n2008 Honda CRF250X Base\u003cbr\u003e\n2008 Honda CRF450R Base\u003cbr\u003e\n2008 Honda CRF450X Base\u003cbr\u003e\n2009 Honda CRF150F Base\u003cbr\u003e\n2009 Honda CRF230F Base\u003cbr\u003e\n2009 Honda CRF250R Base\u003cbr\u003e\n2009 Honda CRF250X Base\u003cbr\u003e\n2009 Honda CRF450R Base\u003cbr\u003e\n2009 Honda CRF450X Base\u003cbr\u003e\n2010 Honda CRF250R Base\u003cbr\u003e\n2010 Honda CRF450R Base\u003cbr\u003e\n2011 Honda CRF250R Base\u003cbr\u003e\n2011 Honda CRF450R Base\u003cbr\u003e\n2012 Honda CRF150F Base\u003cbr\u003e\n2012 Honda CRF230F Base\u003cbr\u003e\n2012 Honda CRF250R Base\u003cbr\u003e\n2012 Honda CRF250X Base\u003cbr\u003e\n2012 Honda CRF450R Base\u003cbr\u003e\n2012 Honda CRF450X Base\u003cbr\u003e\n2013 Honda CRF150F Base\u003cbr\u003e\n2013 Honda CRF230F Base\u003cbr\u003e\n2013 Honda CRF250R Base\u003cbr\u003e\n2013 Honda CRF250X Base\u003cbr\u003e\n2013 Honda CRF450R Base\u003cbr\u003e\n2013 Honda CRF450X Base\u003cbr\u003e\n2014 Honda CRF150F Base\u003cbr\u003e\n2014 Honda CRF230F Base\u003cbr\u003e\n2014 Honda CRF250R Base\u003cbr\u003e\n2014 Honda CRF250X Base\u003cbr\u003e\n2014 Honda CRF450R Base\u003cbr\u003e\n2014 Honda CRF450X Base\u003cbr\u003e\n2015 Honda CRF150F Base\u003cbr\u003e\n2015 Honda CRF230F Base\u003cbr\u003e\n2015 Honda CRF250R Base\u003cbr\u003e\n2015 Honda CRF250X Base\u003cbr\u003e\n2015 Honda CRF450R Base\u003cbr\u003e\n2015 Honda CRF450X Base\u003cbr\u003e\n2016 Honda CRF150F Base\u003cbr\u003e\n2016 Honda CRF230F Base\u003cbr\u003e\n2016 Honda CRF250R Base\u003cbr\u003e\n2016 Honda CRF250X Base\u003cbr\u003e\n2016 Honda CRF450R Base\u003cbr\u003e\n2016 Honda CRF450X Base\u003cbr\u003e\n2017 Honda CRF150F Base\u003cbr\u003e\n2017 Honda CRF230F Base\u003cbr\u003e\n2017 Honda CRF250R Base\u003cbr\u003e\n2017 Honda CRF250X Base\u003cbr\u003e\n2017 Honda CRF450R Base\u003cbr\u003e\n2017 Honda CRF450X Base\u003cbr\u003e\n2018 Honda CRF250R Base\u003cbr\u003e\n2018 Honda CRF450R Base\u003cbr\u003e\n2018 Honda CRF450X Base\u003cbr\u003e\n2019 Honda CRF230F Base\u003cbr\u003e\n2019 Honda CRF250F Base\u003cbr\u003e\n2019 Honda CRF250R Base\u003cbr\u003e\n2019 Honda CRF250RX Base\u003cbr\u003e\n2019 Honda CRF450L Base\u003cbr\u003e\n2019 Honda CRF450R Base\u003cbr\u003e\n2019 Honda CRF450RWE Base\u003cbr\u003e\n2019 Honda CRF450X Base\u003cbr\u003e\n2020 Honda CRF250F Base\u003cbr\u003e\n2020 Honda CRF250R Base\u003cbr\u003e\n2020 Honda CRF250RX Base\u003cbr\u003e\n2020 Honda CRF450R Base\u003cbr\u003e\n2020 Honda CRF450RWE Base\u003cbr\u003e\n2020 Honda CRF450X Base\u003cbr\u003e\n2021 Honda CRF250F Base\u003cbr\u003e\n2021 Honda CRF250R Base\u003cbr\u003e\n2021 Honda CRF250RX Base\u003cbr\u003e\n2021 Honda CRF450R Base\u003cbr\u003e\n2021 Honda CRF450RL Base\u003cbr\u003e\n2021 Honda CRF450RWE Base\u003cbr\u003e\n2021 Honda CRF450X Base","brand":"Renthal","offers":[{"title":"Default Title","offer_id":68303923904747,"sku":"596892","price":104.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/0008fc2b86f07c5455f46a238de69fcb_370a950f-cf1b-455c-aaa2-43a5c46d81c3.jpg?v=1793257692","url":"https:\/\/ctracingservices.com\/products\/renthal-154u-520-52grbk-52-tooth-rear-sprocket","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}